See:Love wave
A colloidal bond which, when added to molding sands in amounts up to 3%,
increases porosity and strength (green and dry), and reduces the amount of
water needed. Osborne
a. Said of a sediment that, when mixed with water, becomes extremely soft
and incoherent and is capable of flowing easily under load or by force of
gravity; e.g. quick clay or quicksand. AGI
b. Said of blasting powder that burns or goes off very rapidly.
c. See:quicksilver
d. Said of an economically valuable or productive mineral deposit, in
contrast to a dead ground or area. An ore is said to be quickening as its
mineral content increases. Syn:alive
Descriptive of an ore as its mineral content increases with distance.
The different sizes depending upon the type of limestone, kind of kiln
used, or treatment subsequent to calcining. The sizes commonly recognized
are as follows: (1) large lump--8 in (203 mm) and smaller; (2) pebble or
crushed--2-1/2 in (64 mm) and smaller; (3) ground, screened, or
granular--1/4 in (6.4 mm) and smaller; and (4) pulverized--substantially
all passing a No. 20, 850 mu m, sieve. ASTM
The property of an explosive by virtue of which it exerts a sharp blow or
shattering effect on the material with which it is in contact. The
quickest explosive of the dynamite class is the 60% straight dynamite.
Quick explosives are the ones particularly desired for mudcapping. For
maximum effect for this purpose, they should be of high density and
sensitiveness. See also:quick
A mass or bed of fine sand, that consists of smooth rounded grains with
little mutual adherence and that is usually saturated with water flowing
upward through the voids, forming a semiliquid, highly mobile mass that
yields easily to pressure. See also:running ground
Syn:running sand
A common name for mercury. Syn:native mercury
A wooden box placed in a sloping position, and fixed upon rockers, in
which gold-bearing gravel is washed, the gold being caught by mercury in
the lower part of the cradle. Fay
An altered rock consisting mainly of dark opal and chalcedony, commonly
associated with ore in California mercury deposits in serpentine.
A shear test of a cohesive soil without allowing the sample to drain.
See also:drained shear test
An air gun which mixes dry, granular, refractory materials with water.
A light drive shaft inside a heavier one, and turning independently of it.
Nichols, 1
Light carmine-red particles found in a limestone near Quincy, France;
color apparently organic; a doubtful mineral. Dana, 1
a. Having a valence of 5. Webster 3rd
b. Having five valences. Tungsten has five valences which are 2, 3, 4, 5,
and 6. Handbook of Chemistry and Physics, 2
a. A release of a claim; a deed of release; specif., a legal instrument by
which some right, title, interest, or claim by one person in or to an
estate held by himself or another is released to another, and which is
sometimes used as a simple but effective conveyance for making a grant of
lands whether by way of release or as an original conveyance.
Webster 3rd
b. In the United States, a document in which a mining company sells its
surface rights but retains its mineral rights. Nelson
a. The keystone or a voussoir of an arch.
b. A wedge to support or steady a stone.
c. A large square ashlar or stone at the angle of a wall to limit the
rubble and make the corner true and strong; an exterior masonry corner.
d. One of the four facets on the crown, pavilion, or base of a gem.
See:Love wave
A system of working steep seams of any thickness. Nelson
York. Limestone in the Coralline Oolite. CF:toad's-eye
A monoclinic mineral, Ca3 Mg3 (UO2 )2 (CO (sub
3) )6 (OH)4 .18H2 O ; radioactive; forms yellow
efflorescence on mine walls.